id	keyword
easat-2422	electric
easat-2422	energy
easat-2422	sustainability
easat-2422	vehicles
easat-2422	china
easat-2422	analysis
easat-2422	cycle
easat-2422	life
easat-2422	environmental
easat-2422	charging
easat-2422	research
easat-2422	science
easat-2422	development
easat-2422	assessment
easat-2422	technology
easat-2422	emissions